The number of people invited _____ fifty, but a number of them ______ absent for different
reasons.
| A．were; was | B．was; was | C．was; were | D．were; were |
________evidence that language acquiring ability must be stimulated.
| A．If being | B．It is | C．There is | D．There being |
The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.
| A．to be based on | B．to base on |
| C．which to base on | D．on which to base |
A survey was carried out on the death rate of those who were infected by SARS,________were surprising.
| A．as results | B．which results |
| C．the results of it | D．the results of which |
In recent years much more emphasis has been put______ developing the students productive skills.
| A．onto | B．in | C．over | D．on |
_____ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack |
| C．Because of lack | D．Lack |